Recommendations for white noise fan???

Looking to buy a new fan for white noise at night but I hate the sound of every one I’ve tried :( It’s something about the hum of the motor that really gets me, it has to be a deep pitch like the sound of an AC unit with no rattling or ringing noises.

I’ve used a Weatherworks pedestal fan for a decade that broke recently and doesn’t seem like they make the same one anymore. I tried out different Seville and Pelonis tower fans and the Honeywell Quietset but they all have the same high pitched noise I can’t stand.

Does anyone else have any good fan recommendation for this?!?! I’m actually going crazy trying out so many diifferent fans